Stethoscope endpiece retainer



FIG. 1 is a perspective view of a stethoscope endpiece retainer, showing my new design, the broken line showing of the stethoscope and the clip assembly being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof; and

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a stethoscope endpiece retainer, as shown and described. 